LIMITATION ON AVAILABILITY OF FUNDS FOR PROTOTYPE PROGRAM FOR MULTI-GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVER DEVELOPMENT.

SEC. 1610. LIMITATION ON AVAILABILITY OF FUNDS FOR PROTOTYPE PROGRAM FOR MULTI-GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVER DEVELOPMENT. Of the funds authorized to be appropriated by this Act or otherwise made available for fiscal year 2021 for the Office of the Secretary of the Air Force, not more than 80 percent may be obligated or expended until the date on which the Secretary of Defense— (1) certifies to the congressional defense committees that the Secretary of the Air Force is carrying out the program required under section 1607 of the National Defense Authorization Act for Fiscal Year 2020 (Public Law 116-92; 133 Stat. 1724); and (2) provides to the Committees on Armed Services of the House of Representatives and the Senate a briefing on how the Secretary is implementing such program, including with respect to addressing each element specified in subsection (b) of such section.